document.write( "Question 527405: For all positive numbers a and b, a function f satisfies the equation f (a b) = f(a) + f(b). if f(2) = x and f(5) = y, what is the value of f(100), in terms of x and y?
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Algebra.Com's Answer #348992 by richard1234(7193) $\"\"$ $\"About$

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f(100) = f(10) + f(10) = (f(2) + f(5)) + (f(2) + f(5)). Replace f(2) with x and f(5) with y to obtain\r
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\n" ); document.write( "\n" ); document.write( "f(100) = 2x + 2y. \n" ); document.write( "

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